Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 4 mA. 3 mA. 1 mA. 2 mA. 4 mA. 3 mA. 1 mA. 2 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following units is a fundamental unit? Ampere Newton Joule/sec Watt Ampere Newton Joule/sec Watt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Systematic errors are instrument errors. observational errors. environmental errors. All of these instrument errors. observational errors. environmental errors. All of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What are the SI units of mass, length and time respectively? kg, cm and s. g, cm and s. kg, m and s. g, m and s. kg, cm and s. g, cm and s. kg, m and s. g, m and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as None of these true error. absolute error. ratio of absolute error and true value. None of these true error. absolute error. ratio of absolute error and true value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging One of the wattmeter connections will have to be reversed Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero ANSWER DOWNLOAD EXAMIANS APP
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